The “YouTube” hosts sailed through the river rafting challenge but getting there was another story.

Sunday’s a big night on CTV as eleven teams on “The Amazing Race” kick off its 20th season premiere, while love looms large on the season finale of “Pan Am.”

There’s a wedding afoot as the flight crew hurtles towards 1964 (though Ted is getting more nervous by the day!) and Colette (is caught up in her own romantic whirlwind with a foreign prince. Who needs flight captains when you can have royalty?!

On “Once Upon A Time,” David finally agrees to tell Kathryn about his relationship with Mary Margaret and put an end to his loveless marriage.

More CTV weekend highlights:

Friday, Feb. 17

8 p.m. – UNDERCOVER BOSS – “Checkers & Rallys” – NEW EPISODE Rick Silva, President and CEO of Checkers & Rally's, one of the nation's largest fast food chains that serves more than two million hamburgers a week, travels to the front lines of his industry, where he's forced to make a drastic decision regarding one of his restaurants.

10 p.m. – BLUE BLOODS – “Parenthood” – NEW EPISODEWhen a man's family is robbed and beaten in front of him, and the assailant is shot and killed, the Reagans debate about how far they would go to protect their family. Meanwhile, when a college student is arrested at a rally, Frank (Tom Selleck) wrestles with her sentence due to her identity

Saturday, Feb. 18

7 p.m. – W5 – “Unfair Advantage” – NEW EPISODE W5 returns to its annual in-depth investigation of the Canada Revenue Agency, with all-new cases that reveal tax horror stories faced by hard-working, ordinary Canadians when they come up against the taxman. “Unfair Advantage” investigates tax cases from coast-to-coast and finds Canadians who have had their financial well-being shattered at the hand of callous and secretive CRA employees. Also in this episode, W5 heads to Newfoundland for a look at one woman’s efforts to revitalize her homeland of Fogo Island, the struggling fishing community located off the coast of Newfoundland.

Sunday, Feb. 19

7 p.m. – ONCE UPON A TIME – “What Happened to Frederick” – NEW EPISODEWith their love for each other growing stronger, David (Josh Dallas) finally agrees to tell Kathryn (Anastasia Griffith) about his relationship with Mary Margaret (Ginnifer Goodwin) and put an end to his loveless marriage. Meanwhile, in the fairytale land that was, runaway groom Prince Charming (Josh Dallas) searches for Snow White (Ginnifer Goodwin) and agrees to aid Abigail (Anastasia Griffith) on a dangerous mission to recover something precious that was lost.

8 p.m. – THE AMAZING RACE – “The Good Wife” – SEASON PREMIEREThis season of the multi-Emmy Award-winning THE AMAZING RACE marks its 20th sprint around the globe. In this turn, teams will travel through five continents and 22 cities and cover nearly 40,000 miles. With the series making first-time visits to remote locations such as Paraguay, Azerbaijan, 11 new teams set out on a race around the globe.

9 p.m. – DESPERATE HOUSEWIVES – “Get Out of My Life” – NEW EPISODESusan (Teri Hatcher) discovers the identity of the father of Julie's (Andrea Bowen) baby, and Orson (Kyle MacLachlan) makes it his duty to nurse Bree (Marcia Cross) back to health. Meanwhile, Lynette (Felicity Huffman) is furious when Porter (Charlie Carver) and Preston (Max Carver) are evicted from their apartment and try to move back home.

10 p.m. – PAN AM – “1964” – SEASON FINALELife has changed quickly for the crew of Pan Am. In the wake of President Kennedy's assassination and with New Year's Eve approaching, everyone's lives are hurtling towards new starts for 1964. Colette (Karine Vanasse) is caught up in a whirlwind courtship with a foreign prince, and Dean (Mike Vogel) is still kicking himself over losing her. Meanwhile, Amanda (Ashley Greene, Twilight Saga) and Ted's (Michael Mosley) wedding plans are racing forward, thrilling his family, but making him more nervous by the day.